I searched for a hotel with no carpets, given the much greater likelihood of proper hygiene in this year of the pox, and while the location of this one is not exactly anywhere that close to Alexanderplatz (as anyone can see by using Google Maps), it fit the bill perfectly. They take sanitation measures against the coronavirus very seriously. More than this, the rooms are bright, the beds very comfortable, the breakfast top-rate, and if you elect to not have your room cleaned daily (which I always do, for environmental reasons) you're rewarded with a free bar drink per day (wine, beer, or non-alcoholic). The hotel is in a quiet area (but that is probably true for most hotels in a generally quiet city) and well-served by public transport. The only issue for me in this regard is that I opted to take an Uber to and from Tegel airport since the primary connection is an airport bus - and buses are recognized as potential super-spreader modes of transport, so no, thanks. And that's 30 euro each way.... But back to the hotel - staff super friendly and helpful too. Highly recommended.